選択できるのは25トピックまでです。 トピックは、先頭が英数字で、英数字とダッシュ('-')を使用した35文字以内のものにしてください。

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2.4KB

  1. // Variable Templates For ratio -*- C++ -*-
  2. // Copyright (C) 2014-2020 Free Software Foundation, Inc.
  3. //
  4. // This file is part of the GNU ISO C++ Library. This library is free
  5. // software; you can redistribute it and/or modify it under the
  6. // terms of the GNU General Public License as published by the
  7. // Free Software Foundation; either version 3, or (at your option)
  8. // any later version.
  9. // This library is distributed in the hope that it will be useful,
  10. // but WITHOUT ANY WARRANTY; without even the implied warranty of
  11. // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  12. // GNU General Public License for more details.
  13. // Under Section 7 of GPL version 3, you are granted additional
  14. // permissions described in the GCC Runtime Library Exception, version
  15. // 3.1, as published by the Free Software Foundation.
  16. // You should have received a copy of the GNU General Public License and
  17. // a copy of the GCC Runtime Library Exception along with this program;
  18. // see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
  19. // <http://www.gnu.org/licenses/>.
  20. /** @file experimental/ratio
  21. * This is a TS C++ Library header.
  22. * @ingroup libfund-ts
  23. */
  24. //
  25. // N3932 Variable Templates For Type Traits (Revision 1)
  26. //
  27. #ifndef _GLIBCXX_EXPERIMENTAL_RATIO
  28. #define _GLIBCXX_EXPERIMENTAL_RATIO 1
  29. #pragma GCC system_header
  30. #if __cplusplus >= 201402L
  31. #include <ratio>
  32. #include <experimental/bits/lfts_config.h>
  33. namespace std _GLIBCXX_VISIBILITY(default)
  34. {
  35. _GLIBCXX_BEGIN_NAMESPACE_VERSION
  36. namespace experimental
  37. {
  38. inline namespace fundamentals_v1
  39. {
  40. // See C++14 20.11.5, ratio comparison
  41. template <typename _R1, typename _R2>
  42. constexpr bool ratio_equal_v = ratio_equal<_R1, _R2>::value;
  43. template <typename _R1, typename _R2>
  44. constexpr bool ratio_not_equal_v = ratio_not_equal<_R1, _R2>::value;
  45. template <typename _R1, typename _R2>
  46. constexpr bool ratio_less_v = ratio_less<_R1, _R2>::value;
  47. template <typename _R1, typename _R2>
  48. constexpr bool ratio_less_equal_v = ratio_less_equal<_R1, _R2>::value;
  49. template <typename _R1, typename _R2>
  50. constexpr bool ratio_greater_v = ratio_greater<_R1, _R2>::value;
  51. template <typename _R1, typename _R2>
  52. constexpr bool ratio_greater_equal_v = ratio_greater_equal<_R1, _R2>::value;
  53. } // namespace fundamentals_v1
  54. } // namespace experimental
  55. _GLIBCXX_END_NAMESPACE_VERSION
  56. } // namespace std
  57. #endif // __cplusplus <= 201103L
  58. #endif // _GLIBCXX_EXPERIMENTAL_RATIO